<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
</head>
<body>
    <h1>axios请求拦截器</h1>
  <button id="btn">发送请求</button>
      <script>
    //   创建一个axios实例 并配置这个实例
     const  myAxios = axios.create({
            baseURL:'/',//配置公共路径
            timepot:10000,//配置超时事件
            Headers:{} //配置请求头

        })
        myAxios.interceptors.request.use((config) => {
            console.log(config);
            return config;
        },(err)=>{
            return Promise.reject(err.message)
        })
        const oBtn = document.getElementById('btn');
        oBtn.onclick= async function(){
            const result = await myAxios.get('/user',{
                params:{
                    userId:'001'
                }
            })
            console.log(result, "result");
        }
      </script>  
</body>
</html>